<template>
	<view class="my-settle-container">
		<!-- 全选区域 -->
			<label class="radio" @click="changeAllState">
				<radio color="#c00000" :checked="ifFullCheck"/><text>全选</text>
			</label>
			<!-- 合计区域 -->
			<view class="amout-box">
				合计: <text class="amout">￥{{checkedGoodsPrice}}</text>
			</view>
			<!-- 结算按钮 -->
			<view class="btn-settle" @click="settlement">结算({{ checkedCount }})</view>
	</view>
</template>

<script>
	import { mapGetters, mapMutations, mapState} from 'vuex'
	export default {
		name:"my-settle",
		data() {
			return {
				//倒计时秒数
				seconds:3,
				timer:null
			};
		},
		computed:{
			...mapGetters('myCart',['checkedCount','total','checkedGoodsPrice']),
			...mapGetters('my_user',['addstr']),
			...mapState('my_user',['token']),
			//是否全选
			ifFullCheck(){
				return this.total === this.checkedCount
			}
		},
		methods:{
			...mapMutations('myCart',['updateAllGoodsState']),
			...mapMutations('my_user',['updateRedirectInfo']),
			//修改购物车中所有商品的全选状态
			changeAllState(){
				this.updateAllGoodsState(!this.isFullCheck)
			},
			//点击结算按钮
			settlement(){
				//先判断是否选择了商品
				if(!this.checkedCount) return uni.$showMsg('请选择要结算的商品')
				//判断用户是否选择了收货地址
				if(!this.addstr) return uni.$showMsg('请选择收货地址')
				//判断用户是否登录了
				if(!this.token) return this.delayNavigate()
			},
			//展示倒计时提示信息
			showTips(n){
				uni.showToast({
					icon:'none',
					title:`请登录后结算！${n} 秒后自动跳转到登录页面`,
					mask:true,
					duration:1000,
					
				})
			},
			//延迟导航到my页面
			delayNavigate(){
				this.seconds = 3
				this.showTips(this.seconds)
				this.timer = setInterval(() =>{
					this.seconds --
					if(this.seconds <= 0){
						clearInterval(this.timer)
						uni.switchTab({
							url:'/pages/my/my',
							success: () => {
								this.updateRedirectInfo({
									openType:'switchTab',
									from:'/pages/cart/cart'
								})
							}
						})
						return
					}
					this.showTips(this.seconds)
				},1000)
			}
		}
	}
</script>

<style lang="scss">
.my-settle-container{
	position: fixed;
	bottom: 50px;
	left: 0;
	width: 100%;
	height: 50px;
	background-color: #fff;
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding-left: 5px;
	font-size: 14px;
	.radio{
		display: flex;
		align-items: center;
	}
	.amout{
		color: '#C00000';
	}
	.btn-settle{
		height: 50px;
		min-width: 100px;
		background-color: #C00000;
		color: #fff;
		line-height: 50px;
		text-align: center;
		padding: 0 10px;
	}
	
}
</style>